table,tr,td,th{
    border: 1px solid;
    border-spacing: 0px;
}
*{
    background-color:gainsboro;
}

input{
    border-radius: 10px;
}

#top{
    margin-top: 200px;
}

#content{
    margin-top: 15px;
}

#keyword{
    width: 250px;
}


#query,#add{
    margin-left: 100px;
    margin-right: 100px;
}